Achievements
Complete each achievement to receive the allotted gamerscore:

Ace in the Hole (15) - Win 10 Holeshots.
Champion Sport Track Series 3 (15) - Place 3rd or higher in the Champion Sport Track Series 3 in the MotoCareer.
Close Calls! (25) - Avoid 100 Wrecks.
Champion of Champions (25) - Win all Face-Off Challenges in the MotoCareer.
Champion Sport Track Series 1 (15) - Place 3rd or higher in the Champion Sport Track Series 1 in the MotoCareer.
Champion Sport Track Series 2 (15) - Place 3rd or higher in the Champion Sport Track Series 2 in the MotoCareer.
Coming on Strong (15) - Lap an Opponent in a Race.
Endurance (25) - Complete 25 Xbox LIVE Playlist Matches.
Freestylin' (25) - Win a Freestyle Event in the MotoCareer without repeating a trick.
Gold Standard (10) - Earn a Gold medal in any MotoCareer Free Ride Challenge.
Greatest of All Time (100) - Place 1st in all events in the MotoCareer.
Hat-Trick! (15) - Perform three consecutive, unique airborne Tricks in one jump.
Ironman of Offroad (75) - Win all Series in the MotoCareer.
Keeping it Clean (15) - Complete a Race in a Machine with all body panels still attached to your vehicle.
Leveler (15) - Finish ahead of any opponent who has a higher Experience Level in a Xbox LIVE Playlist Match.
Long Jumper (15) - Land a jump distance of 300 feet or greater.
Long Live the King (50) - Place 1st in 25 Xbox LIVE Playlist Matches.
Master Skills (15) - Complete MotoSkills 4, 5 and 6.
Moto Skills (15) - Complete MotoSkills 1, 2 and 3.
Freestyle Series 1 (15) - Place 3rd or higher in the Freestyle Series 1 in the MotoCareer.
Freestyle Series 2 (15) - Place 3rd or higher in the Freestyle Series 2 in the MotoCareer.
Freestyle Series 3 (15) - Place 3rd or higher in the Freestyle Series 3 in the MotoCareer.
Omnicross Series 1 (15) - Place 3rd or higher in the Omnicross Series 1 in the MotoCareer.
Omnicross Series 2 (15) - Place 3rd or higher in the Omnicross Series 2 in the MotoCareer.
Omnicross Series 3 (15) - Place 3rd or higher in the Omnicross Series 3 in the MotoCareer.
National Series 1 (15) - Place 3rd or higher in the National Series 1 in the MotoCareer.
National Series 2 (15) - Place 3rd or higher in the National Series 2 in the MotoCareer.
National Series 3 (30) - Place 3rd or higher in the National Series 3 in the MotoCareer.
Perfection (25) - Earn a judge's score of 10.0 in a Freestyle Event.
Precious Medals (50) - Earn a Gold medal in all MotoCareer Free Ride Challenges.
Supercross Series 1 (15) - Place 3rd or higher in the Supercross Series 1 in the MotoCareer.
Supercross Series 2 (15) - Place 3rd or higher in the Supercross Series 2 in the MotoCareer.
Supercross Series 3 (30) - Place 3rd or higher in the Supercross Series 3 in the MotoCareer.
To the Victor... (15) - Place 1st in an Xbox LIVE Playlist Match with 11 human opponents.
Showboat (15) - Pull off three unique tricks in a Race Event.
Skeletal Remains (15) - Complete a Race in a Machine with no body panels remaining on your vehicle.
Snake in the Grass (15) - Win a Snake Mini-Game in an Xbox LIVE Playlist Match.
Step Into the Arena (15) - Complete an Xbox LIVE Playlist Match.
Stoppie Master (15) - Hold a Stoppie trick for 75 feet or longer.
Trickster (15) - Perform any airborne Trick and land successfully.
Tuning In (5) - Adjust a Tuning Slider and save the new setting.
Waypoint Series 1 (15) - Place 3rd or higher in the Waypoint Series 1 in the MotoCareer.
Waypoint Series 2 (15) - Place 3rd or higher in the Waypoint Series 2 in the MotoCareer.
Waypoint Series 3 (15) - Place 3rd or higher in the Waypoint Series 3 in the MotoCareer.
Wheelie King (15) - Hold a Wheelie trick for 150 feet or longer.
Wreck-less (5) - Avoid a Wreck in a Race.
You are Legend (25) - Place 1st in any Race on All-Time difficulty.
You're It! (15) - Win a Tag Mini-Game in an Xbox LIVE Playlist Match.